desktop/wmtime: Fixed build with gcc-5.2.0.
desktop/wmtime: Fixed build with gcc-5.2.0.

Signed-off-by: David Spencer <6fdd2e767cd80a090a42bdb678c4a4cd6a53629b@googlemail.com>

panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds